Bsi bs en 03631 2014

BS EN 3631:2014 BSI Standards Publication Aerospace series — Fluid fittings, flanged, 90° elbowed — Sealing by O-ring for 0,8 mm thick tubes BS EN 3631:2014 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 3631:2014 It supersedes BS EN 3631:2008 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2014 Published by BSI Standards Limited 2014 ISBN 978 580 84541 ICS 49.080 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2014 Amendments issued since publication Date Text affected BS EN 3631:2014 EN 3631 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM October 2014 ICS 49.080 Supersedes EN 3631:2008 English Version Aerospace series - Fluid fittings, flanged, 90° elbowed - Sealing by O-ring for 0,8 mm thick tubes Série aérospatiale - Raccords bride 90° - Étanchéité par joint torique pour tubes de 0,8 mm d'épaisseur Luft- und Raumfahrt - Rohrverbindungen mit Flansch, 90° O-Ring-Dichtung für Rohre mit einer Dicke von 0,8 mm This European Standard was approved by CEN on January 2014 CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels © 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref No EN 3631:2014 E BS EN 3631:2014 EN 3631:2014 (E) Contents Page Foreword Scope Normative references 3.1 3.1.1 3.1.2 Required characteristics .4 Configuration, dimensions, tolerances .4 Configuration Dimensions and tolerances 4 Forging flanged fitting, Type A Machined flanged fitting, Type B 6.1 6.2 Fitting 11 Fitting for tubes ∅ ≤ 16 11 Fitting for tubes ∅ > 16 11 Cone and end fitting 12 Designation 13 Marking 13 10 Quality assurance 13 BS EN 3631:2014 EN 3631:2014 (E) Foreword This document (EN 3631:2014) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN) After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN This document supersedes EN 3631:2008 This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2015, and conflicting national standards shall be withdrawn at the latest by April 2015 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom BS EN 3631:2014 EN 3631:2014 (E) Scope This European Standard specifies the characteristics of the fluid fittings, flanged, 90° elbowed, sealing by Oring, for 0,8 mm thick tubes NOTE Flanged fitting installation hole and assembly, see EN 3633 and TR 3634 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies EN 2157-3, Aerospace series — Steel — Forging stock and forgings — Technical specification — Part 3: Pre-production and production forgings EN 2424, Aerospace series — Marking of aerospace products EN 3482, Aerospace series — Steel FE-PA13 — Annealed — Reference heat treatment: softened — Forging stock De ≤ 100 mm 1) EN 3487, Aerospace series — Steel FE-PA3601 (X6CrNiTi18-10) — Air melted — Softened — Bar for machining — a or D ≤ 250 mm — 500 MPa ≤ Rm ≤ 700 MPa EN 3633, Aerospace series — Installation hole for fluid fittings, flanged EN 3635, Aerospace series — Weld lip — Geometrical configuration EN 9100, Quality Management Systems — Requirements for Aviation, Space and Defence Organizations TR 3634, Aerospace series — Fluid fittings, flanged — Assembly recommendations 2) Required characteristics 3.1 Configuration, dimensions, tolerances 3.1.1 Configuration See Figure to Figure 3.1.2 Dimensions and tolerances See Figure to Figure and Table to Table 3.2 Material EN 3487 or EN 3482 Fittings can be machined or forged according to EN 2157-3 Forging flanged fitting, Type A See Figure and Figure and Table and Table 1) Published as ASD-STAN Prestandard at the date of publication of this standard (www.asd-stan.org) 2) Published as ASD-STAN Technical Report at the date of publication of this standard (www.asd-stan.org) BS EN 3631:2014 EN 3631:2014 (E) Dimensions in millimetres  6,4   3,2    Break sharp edges 0,1 mm to 0,3 mm Key a See Figure b See Figure c Two holes ∅ 5,4 + 0,2 d Marking e Two identical ∅ 11 spot facings or straight profile Figure BS EN 3631:2014 EN 3631:2014 (E) Dimensions in millimetres  6,4   3,2    Break sharp edges 0,1 mm to 0,3 mm Key For tube ∅ = 32 these spot facings not overlap fitting body a See Figure b See Figure c Three equidistant holes ∅ 5,4 + 0,2 d Marking e Three identical ∅ 11 spot facings Figure BS EN 3631:2014 EN 3631:2014 (E) Table Dimensions in millimetres Diameter code A Tube (0,8 thick) nom 040 ∅4 ∅ 2,3 060 ∅6 ∅ 4,3 080 ∅8 ∅ 6,3 ∅ 10 ∅ 8,3 ∅ 12 ∅ 10,3 100 Hole code 120 140 ∅ 14 ∅ 12,3 160 ∅ 16 ∅ 14,3 E tol H11 + 0,075 + 0,09 + 0,11 G H K − 0,05 − 0,15 + 0,7 − 0,3 − 0,5 ∅6 ∅ 18 ∅ 15 20 ∅8 ∅ 20 ∅ 17 ∅ 10 L M N P R V + 0,7 − 0,3 − 0,5 ± 0,15 28 ∅8 8,4 19,5 4 21,4 30 ∅ 10 9,9 20,5 5 ∅ 22 ∅ 19 22,8 32 ∅ 12 11,3 21,5 6 ∅ 12 ∅ 24 ∅ 21 24,2 34 ∅ 14 12,7 22,5 7 ∅ 14 ∅ 26 ∅ 23 25,5 36 ∅ 16 14 23,5 8 ∅ 16 ∅ 28 ∅ 25 26,5 38 ∅ 18 15 24,5 9 ∅ 18 ∅ 30 ∅ 27 27,5 40 ∅ 20 16 25,5 10 10 + 0,35 − 0,15 Table Dimensions in millimetres Diameter code Hole code 140 A Tube (0,8 thick) nom ∅ 14 ∅ 12,3 tol H11 + 0,11 e E ± 0,2 − 0,05 − 0,15 G J K M N P − 0,5 + 0,7 − 0,3 − 0,5 ± 0,15 R V + 0,35 − 0,15 ∅ 16 ∅ 31 ∅ 41 26,5 ∅ 18 15 24,5 9 ∅ 18 ∅ 33 ∅ 43 27,5 ∅ 20 16 25,5 10 10 160 ∅ 16 ∅ 14,3 180 ∅ 18 ∅ 16,3 ∅ 20 ∅ 36 ∅ 46 28,5 ∅ 22 17 26 11 11 ∅ 20 ∅ 18,3 ∅ 22 ∅ 38 ∅ 48 29 ∅ 24 18 26,5 12 12 ∅ 22 ∅ 20,3 ∅ 24 ∅ 40 ∅ 50 30 ∅ 26 19,5 27 13 13 250 ∅ 25 ∅ 23,3 ∅ 27 ∅ 46 ∅ 56 31 ∅ 29 21 28,5 14,5 14,5 280 ∅ 28 ∅ 26,3 ∅ 30 ∅ 52 ∅ 62 32,5 ∅ 32 23 30 16 16 320 ∅ 32 ∅ 30,3 ∅ 34 ∅ 60 ∅ 70 35 ∅ 36 25 32 18 18 200 220 + 0,13 + 0,16 BS EN 3631:2014 EN 3631:2014 (E) Machined flanged fitting, Type B See Figure3 and Figure and Table and Table Dimensions in millimetres 3,2 Break sharp edges 0,1 mm to 0,4 mm Key a See Figure b See Figure c Two holes ∅ 5,4 + 0,2 d Marking e Two identical ∅ 11 spot facings Figure BS EN 3631:2014 EN 3631:2014 (E) 3,2 Dimensions in millimetres Break sharp edges 0,1 mm to 0,3 mm Key For tube ∅ = 32 these spot facings not overlap fitting body a See Figure b See Figure c Three equidistant holes ∅ 5,4 + 0,2 d Marking e Three identical ∅ 11 spot facings Figure BS EN 3631:2014 EN 3631:2014 (E) Table Dimensions in millimetres Diameter code Hole code 040 Tube (0,8 thick) ∅4 A − 0,05 − 0,15 H K L − 0,5 M N P Q ± 0,2 − 0,5 ± 0,15 ± 0,2 R U W ± 0,15 ∅6 ∅ 18 ∅ 15 20 28 8,4 19,5 2,5 27,4 08 6,5 ∅8 ∅ 20 ∅ 17 21,4 30 10 9,9 20,5 29,4 10 ∅ 10 ∅ 22 ∅ 19 22,8 32 12 11,3 21,5 3,5 31,6 12 7,5 ∅ 12 ∅ 24 ∅ 21 24,2 34 14 12,7 22,5 33,6 14 ∅ 14 ∅ 26 ∅ 23 25,5 36 16 14 23,5 4,5 35,6 16 8,5 ∅ 16 ∅ 28 ∅ 25 26,5 38 18 15 24,5 37,6 18 ∅ 18 ∅ 30 ∅ 27 27,5 40 20 16 25,5 10 39,6 20 ∅ 4,3 080 ∅8 ∅ 6,3 ∅ 10 ∅ 8,3 ∅ 12 ∅ 10,3 120 ± 0,2 G ∅6 E ∅ 2,3 + 0,075 060 100 tol H11 nom B 140 ∅ 14 ∅ 12,3 160 ∅ 16 ∅ 14,3 + 0,09 + 0,11 Table Dimensions in millimetres Diameter code Hole code 140 A Tube (0,8 thick) nom ∅ 14 ∅ 12,3 tol H11 + 0,11 C e E ± 0,2 ± 0,2 − 0,05 − 0,15 – G J K M N − 0,5 ± 0,2 − 0,5 P Q R ± 0,15 ± 0,2 V W ± 0,2 ± 0,15 ∅ 16 ∅ 31 ∅ 41 26,5 18 15 24,5 9 18 ∅ 18 ∅ 33 ∅ 43 27,5 20 16 25,5 10 10 20 160 ∅ 16 ∅ 14,3 180 ∅ 18 ∅ 16,3 ∅ 20 ∅ 36 ∅ 46 28,5 22 17 26 11 11 22 ∅ 20 ∅ 18,3 ∅ 22 ∅ 38 ∅ 48 29 24 18 26,5 12 12 24 ∅ 22 ∅ 20,3 ∅ 24 ∅ 40 ∅ 50 30 26 19,5 27 13 13 26 250 ∅ 25 ∅ 23,3 ∅ 27 ∅ 46 ∅ 56 31 29 21 28,5 14,5 14,5 29 280 ∅ 28 ∅ 26,3 10 ∅ 30 ∅ 52 ∅ 62 32,5 32 23 30 10 16 16 32 11 ∅ 34 ∅ 60 ∅ 70 35 36 25 32 11 18 18 36 200 220 320 10 ∅ 32 ∅ 30,3 + 0,13 + 0,16 BS EN 3631:2014 EN 3631:2014 (E) 6.1 Fitting Fitting for tubes ∅ ≤ 16 See Figure Figure 6.2 Fitting for tubes ∅ > 16 See Figure and Table Figure 11 BS EN 3631:2014 EN 3631:2014 (E) Cone and end fitting See Figure and Figure and Table Dimensions in millimetres Key a At intersection b Enlarged Figure Dimensions in millimetres Key a Enlarged b Weld lip to EN 3635 Figure 12 BS EN 3631:2014 EN 3631:2014 (E) Table Dimensions in millimetres B C F − 0,1 ± 0,15 − 0,1 ∅4 ∅ 4,1 ∅ 5,1 ∅ 3,9 060 ∅6 ∅ 6,1 ∅ 7,1 ∅ 5,9 080 ∅8 ∅ 8,1 ∅ 9,1 ∅ 7,9 100 ∅ 10 ∅ 10,1 ∅ 11,1 ∅ 9,9 120 ∅ 12 ∅ 12,1 ∅ 13,1 ∅ 11,9 140 ∅ 14 ∅ 14,1 ∅ 15,1 ∅ 13,9 160 ∅ 16 ∅ 16,1 ∅ 17,1 ∅ 15,9 180 ∅ 18 ∅ 18,1 ∅ 19,1 ∅ 17,9 200 ∅ 20 ∅ 20,1 ∅ 21,1 ∅ 19,9 220 ∅ 22 ∅ 22,1 ∅ 23,1 ∅ 21,9 250 ∅ 25 ∅ 25,1 ∅ 26,1 ∅ 24,9 280 ∅ 28 ∅ 28,1 ∅ 29,1 ∅ 27,9 320 ∅ 32 ∅ 32,1 ∅ 33,1 ∅ 31,9 Diameter code Tube (0,8 thick) 040 Designation EXAMPLE Description block FITTING Identity block EN3631-140-2-A Number of EN standard Diameter code (see Tables) Hole code (see Table to Table 4) Type (see Clause and Clause 5) NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block Marking EN 2424, Style A, as indicated in the Figures 10 Quality assurance According to EN 9100 13 This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards Limited About us Revisions We bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions Our British Standards and other publications are updated by amendment or revision The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process Organizations of all sizes and across all sectors choose standards to help them achieve their goals Information on standards We can provide you with the knowledge that your organization needs to succeed Find out more about British Standards by visiting our website at bsigroup.com/standards or contacting our Customer Services team or Knowledge Centre Buying standards You can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at bsigroup.com/shop, where hard copies can also be purchased If you need international and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team Subscriptions Our range of subscription services are designed to make using standards easier for you For further information on our subscription products go to bsigroup.com/subscriptions With British Standards Online (BSOL) you’ll have instant access to over 55,000 British and adopted European and international standards from your desktop It’s available 24/7 and is refreshed daily so you’ll always be up to date You can keep in touch with standards developments and receive substantial discounts on the purchase price of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member PLUS is an updating service exclusive to BSI Subscribing Members You will automatically receive the latest hard copy of your standards when they’re revised or replaced To find out more about becoming a BSI Subscribing Member and the benefits of membership, please visit bsigroup.com/shop With a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet Licences can cover as few or as many users as you wish With updates supplied as soon as they’re available, you can be sure your documentation is current For further information, email bsmusales@bsigroup.com BSI Group Headquarters 389 Chiswick High Road London W4 4AL UK We continually improve the quality of our products and services to benefit your business If you find an inaccuracy or ambiguity within a British Standard or other BSI publication please inform the Knowledge Centre Copyright All the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that owns copyright in the information used (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI Details and advice can be obtained from the Copyright & Licensing Department Useful Contacts: Customer Services Tel: +44 845 086 9001 Email (orders): orders@bsigroup.com Email (enquiries): cservices@bsigroup.com Subscriptions Tel: +44 845 086 9001 Email: subscriptions@bsigroup.com Knowledge Centre Tel: +44 20 8996 7004 Email: knowledgecentre@bsigroup.com Copyright & Licensing Tel: +44 20 8996 7070 Email: copyright@bsigroup.com